
    /********************************************************/
    /*                                                      */
    /*                                                      */
    /*         Copyright (C), 1993  SEIKO EPSON Corp.       */
    /*         ALL RIGHTS RESERVED                          */
    /*                                                      */
    /*                                                      */
    /*  file name : difftime.c                              */
    /*                                                      */
    /*  Revision history                                    */
    /*      93/12/17    first release       S.Akaiwa        */
    /*      97/3/17	modified	    T.Katahira	    */
    /*			change function declaration	    */
    /*					to the ANSI style   */
    /*                                                      */
    /********************************************************/

#ifdef      UNIX
#include    "time.h"
#else
#include    <time.h>
#endif

double
difftime(time_t tdCalTim1, time_t tdCalTim2)

    /********************************************************/
    /*                                                      */
    /*  This is dummy function.                             */
    /*  The difftime function always returns 0.             */
    /*                                                      */
    /*      RETURN  0                                       */
    /*                                                      */
    /*  <ANSI>                                              */
    /*      The difftime function calculates difference     */
    /*      between two calendar time specified by argument.*/
    /*                                                      */
    /*      RETURN  Difference expressed in second as a     */
    /*              double                                  */
    /*                                                      */
    /********************************************************/

    /* time_t      tdCalTim1   ;            calendar time 1 */
    /* time_t      tdCalTim2   ;            calendar time 2 */
    {

     return (double)0.0;                          /* return */

    }

